Growing up a wholesome-looking mid-American beauty, Mary Beth McDonough was perfect to play one of the sympathetic siblings of America's favorite family of the '30s in Homecoming: A Christmas Story (1971). The show was so full of homegrown warm and fuzzy appeal that it spawned the long-running TV series The Waltons. Mary Beth's portrayal of "Erin", the angst-filled yet angelic middle child, was … Join Mr Skin to read her entire Biography